The ornamental design for a muzzlebrake, as shown and described.
The invention described herein may be manufactured, used, and licensed by or for the U.S. Government for U.S. Government purposes.
FIG. 1 shows a front perspective view of a muzzle brake.
FIG. 2 shows a top plan view of the muzzle brake.
FIG. 3 shows a bottom plan view of the muzzle brake.
FIG. 4 shows a side elevational view of the muzzle brake.
FIG. 5 shows a front elevational view of the muzzle brake; and,
FIG. 6 shows a back elevational view of the muzzle brake.
Unevenly spaced broken lines indicate a boundary and form no part of the claimed design. Evenly spaced broken lines show portions of the muzzle brake that form no part of the claimed design.